Big Bass Lake

Marathon County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)177
Maximum Depth (ft)13
Mean Depth (ft)5
Shoreline (miles)—
Bottom Composition28% sand, 7% gravel, 0% rock, 65% muck
Water Clarity — Secchi Depth (ft)—
Trophic Status—
Drainage BasinSEEPAGE
Lake Classlake
Public Access—
Township—
GPS Coordinates44.72290° N, 89.43390° W
WBIC (DNR ID)1405200

Fish Species

3 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
PanfishCommon—
Largemouth BassPresent—
Northern PikePresent—

Boat Landings

1 landing

NameTypeRampTrailersFee♿
Big Bass Lake Boat RampRAMP—1-5—No

Invasive Species

Invasive species have been documented in or near this lake. Please clean, drain, and dry all watercraft and equipment before leaving to prevent spread.

SpeciesStatusFirst Detected
Banded Mystery SnailConfirmed—
Eurasian Water-MilfoilConfirmed—
Hybrid Eurasian / Northern Water-MilfoilConfirmed—

Data sourced from Wisconsin DNR lake surveys. Last scraped: 4/29/2026.

Big Bass Lake — Facts & Figures | Stay Northern